43055429 has 2 divisors, whose sum is σ = 43055430. Its totient is φ = 43055428.

The previous prime is 43055399. The next prime is 43055461. The reversal of 43055429 is 92455034.

It is a happy number.

It is an a-pointer prime, because the next prime (43055461) can be obtained adding 43055429 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38316100 + 4739329 = 6190^2 + 2177^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43055429 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 43055395 and 43055404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43055489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21527714 + 21527715.

It is an arithmetic number, because the mean of its divisors is an integer number (21527715).

Almost surely, 2^43055429 is an apocalyptic number.

It is an amenable number.

43055429 is a deficient number, since it is larger than the sum of its proper divisors (1).

43055429 is an equidigital number, since it uses as much as digits as its factorization.

43055429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 43055429 is about 6561.6635847931. The cubic root of 43055429 is about 350.4902761711.

The spelling of 43055429 in words is "forty-three million, fifty-five thousand, four hundred twenty-nine".